Hexadecyltrimethylammonium bromide
Synonyms: CTAB, or Cetrimonium bromide or Cetyltrimethylammonium bromide or Palmityltrimethylammonium bromideC19H42BrNCH3(CH2)15N(Br)(CH3)3Mr 364.45CAS Number [57-09-0]EC Number 200-311-3Beilstein Registry Number 3598189Merck 14,2025RTECS BQ7875000MDL Number MFCD00011772PubChem Substance ID 24874353Purity ≥ 99.0%UN 3077 9/PG 3
Measured pH range: 5.6 - 5.8 at 25°CMeasured Conductivity Range: 1106 - 1174 µS/cm at 25°CMeasured Refractive Index Range: 1.33570 - 1.33575 at 20°C
Solution may form clear, small needle shaped crystals upon cooling to below 25 degrees Celsius. These crystals will dissolve once the solution is warmed to above 25 degrees Celsius and the solution will remain clear once returned to 25 degrees Celsius.
Al ≤0.0005%Ba ≤0.0005%Bi ≤0.0005%Ca ≤0.001%Cd ≤0.0005%Co ≤0.0005%Cr ≤0.0005%Cu ≤0.0005%Fe ≤0.0005%K ≤0.005%Li ≤0.0005%Mg ≤0.0005%Mn ≤0.0005%Mo ≤0.0005%Na ≤0.005%Ni ≤0.0005%Pb ≤0.0005%SO4 ≤0.005%Sr ≤0.0005%Zn ≤0.0005%
